While they are playing together, Sam picks up his little brother Joe. Think about the force that acts on Joe.
a In which direction does this force act?
b What are the two objects that are interacting?
C Draw a diagram to show the force that acts on
Joe. Take care to label the force arrow correctly.

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Next a skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 15 with the horizontal. the rope moves parallel to the slope with a constant speed of 0.69 m/s. the force of the rope does 800 3 of work on the skier as the skier moves a distance of 8.4 m up the incline. (a) if the rope moved with a constant speed of 2.2 m/s how much work would the force of the rope do on the skier as the skler moved a distance of 8.4 m up the incline? at what rate is the force of the rope doing work on the skier when the rope moves with a speed of (b) 0.69 m/s and (c) 2.2 m/s?

What are igneous intrusions and extrusions